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Article ID: GXA1240 — Created: 11 Feb 2019 — Reviewed: 7 Dec 2020
What are PPL and CPL (or XPL) images?
A PPL image is a Plain Polarized Light image. This is an image that is captured with a polarizer under the specimen and a polarizer (analyzer) above the specimen that are in-line with each other (0°).
A CPL or XPL image is a Crossed Polarized Light image. This is an image that is captured with a polarizer under the specimen and a polarizer (analyzer) above the specimen that are crossed with each other (90°).
The following images show examples of PPL and CPL scans of the same specimen.
Click on the following thumbnails to view or download the whole slide images for the above scans.